17947720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9157}}^1$

素因数の和:9182

約数の個数: 48

約数和(自身を含む): 46980540

約数和(自身を除く): 29032820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9157, 18314, 36628, 45785, 64099, 73256, 91570, 128198, 183140, 256396, 320495, 366280, 448693, 512792, 640990, 897386, 1281980, 1794772, 2243465, 2563960, 3589544, 4486930, 8973860, 17947720]

約数ペア:

[(1, 17947720), (2, 8973860), (4, 4486930), (5, 3589544), (7, 2563960), (8, 2243465), (10, 1794772), (14, 1281980), (20, 897386), (28, 640990), (35, 512792), (40, 448693), (49, 366280), (56, 320495), (70, 256396), (98, 183140), (140, 128198), (196, 91570), (245, 73256), (280, 64099), (392, 45785), (490, 36628), (980, 18314), (1960, 9157)]